Quick answers
- Which hospitals does Karen Dufour work at?
- Medicare's official clinician data lists Karen Dufour at 3 hospitals: Bridgeport Hospital, Griffin Hospital and Yale-New Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karen Dufour see patients?
- Medicare's clinician data lists 4 practice locations, including Fairfield, CT, Orange, CT and Shelton, CT. Call before your visit to confirm the address.
- What is Karen Dufour's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Gastroenterology.
- Does Karen Dufour accept Medicare assignment?
- Yes. Medicare's clinician data says Karen Dufour accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Karen Dufour?
- (203) 384-8681, as listed in official Medicare / NPI Registry data.
- What is Karen Dufour's NPI number?
- 1609859842. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karen Dufour works
Medicare's Facility Affiliation Data lists Karen Dufour at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bridgeport HospitalBridgeport, CT · Acute Care Hospital · CCN 070010
- Griffin HospitalDerby, CT · Acute Care Hospital · CCN 070031
- Yale-New Haven HospitalNew Haven, CT · Acute Care Hospital · CCN 070022
Practice locations
Addresses where Karen Dufour is enrolled with Medicare (CMS data updated 2026-10-02).
- 1931 Black Rock TpkeFairfield, CT 06825 (203) 384‑8681
- 325 Boston Post RdOrange, CT 06477 (203) 795‑0568
- 555 Bridgeport AveShelton, CT 06484 (203) 922‑1773
- 9 Washington AveHamden, CT 06518 (203) 281‑6811
Group practices
Medicare enrollment lists Karen Dufour as a member of these groups (CMS data updated 2026-10-02).
- Northeast Medical Group Inc1,360 clinicians in the group
- Rehabilitation Associates Inc529 clinicians in the group
Specialties
- Internal Medicineprimary
- Gastroenterologyalso
Other internal medicine doctors in Fairfield
Clinicians with the same Medicare primary specialty in Fairfield, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Warren Alpert Medical School Of Brown University |
| Graduation year | 1984 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609859842 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians